"Figure 2: Healthcare is the largest service in the UK by expenditure, followed by education","" "Expenditure shares and output types by service area, UK, 2017","" "","" "Notes","1. Police is measured separately to public order and safety, which includes courts, prisons, and the fire services. 2. Adult social care (ASC) includes some quality adjusted indirectly measured output and is the only service area to do so – for more information on the ASC adjustment, see [Public service productivity: adult social care, sources and methods, 2019 update](https://www.ons.gov.uk/economy/economicoutputandproductivity/publicservicesproductivity/methodologies/publicserviceproductivityadultsocialcaresourcesandmethods2019update). 3. Details on what is included in each service area is included in the service area specific sections of this article. 4. The contributions may not fully sum to the total because of rounding." "Unit","Share of total expenditure (%)" "","" "Service Area","Non-quality adjusted indirect output","Non-quality adjusted direct output","Quality adjusted indirect output","Quality adjusted direct output" "Healthcare","4.4","3.6","0","29.5" "Education","0","4.5","0","13.2" "Other","16.8","0","0","0" "Defence","10.3","0","0","0" "Adult social care","0","0","3.4","2.1" "Police","4.2","0","0","0" "Public order and safety","0","0.8","0","2.4" "Children’s social care","1.8","0.9","0","0" "Social Security administration","0","2.1","0","0"